Nasal cannula



FIG. 1 is a perspective view of a nasal cannula showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged fragmentary cross-sectional view taken in thedirection of line 8-8 in FIG. 6;

FIG. 9 is an enlarged cross-sectional view taken in the direction ofline 9-9 in FIG. 6.

FIG. 10 is an enlarged fragmentary cross-sectional view taken in thedirection of line 10-10 in FIG. 6; and,

FIG. 11 is an enlarged cross-sectional view taken in the direction ofline 11-11 in FIG. 6.

CLAIM The ornamental design for a nasal cannula, as shown and described.